查询词典 solvent

We also try four different solvent in electrolyte. Acetonitrile has the lowest viscosity, and can give the best cell performance.

改变电解质溶剂的种类，探讨其对於太阳能电池发电效率的影响，发现较低黏度的Acetonitrile有最好的表现。

The effects of the kind and amount of solvent used, reaction time and the amount of catalyst and acetylation reagent on the reaction were studied.

讨论了溶剂体系及用量、反应时间、催化剂用量、酰基化试剂用量等对反应的影响。

Then repeat the progress,and the solvent is formed,then repeat the circle-extraction to concentrationfor several times until the extracting solution is achromatism,at this time,the extracting solution is stopped to stopped to sunction into the concentrator.

重复上述过程，从而形成的溶剂经提取-浓缩大循环经返多次后，提取液呈无色，此时，提取液停止抽入浓缩器。

A process based upon solvent extraction has been developed for the recovery of phosphoric acid from a leaching liquor obtained by decomposition of phosphate rock with sulfuric acid.

本文采用二丁基亚砜作为萃取剂，对于用硫酸分解磷矿而得的粗磷酸进行多级逆流萃取及反萃取，以获得高纯度的磷酸和磷酸盐。

As organic solvent 30% methanol was used and 0.1% formic acid was used for acidification.

由於有机溶剂30％被用於甲醇和 0.1％甲酸用於酸化。

Experiments show that the hollow fiber membrane is provided with high-temperature resistant, solvent resistance, acidproof and alkaliproof, and antioxidant performances.

实验证明：该类中空纤维超具有耐高温、耐溶剂、耐酸碱、耐氧化的性能。

The method has been used to determine Phthalic esters in drinking water and seawater sample. 3. Single drop microextraction, followed by gas chromatography with flame ionization detection has been applied to determine Formaldehyde, Acetaldehyde and Acraldehyde in water based on 2,4-Dinitrophenylhydrazine derivatization. Extraction solvent, extraction time and stirrer speed were optimized. Optimal experimental conditions were as follows: 1.6μL toluene microdrop exposed for 30 min in a 3ml aqueous sample placed in 4ml vial and stirred at 600 rpm/min.

以2，4-二硝基苯肼衍生，单滴液相微萃取与气相色谱火焰光度检测器联用测定水样中的甲醛、乙醛、丙烯醛，考察了萃取溶剂、液滴大小、萃取时间、搅拌速度、盐效应等对该方法的影响，并对影响液相微萃取的各种因素进行了系统的阐述，确定了该体系的最佳实验条件，实现了甲醛、乙醛、丙烯醛的提取和富集。

But in the case of acylate wood, pET solvent, it can be completely free from the influence of solvents.

但如是丙烯酸酯材、pET的耐溶剂性就强，可以完全不受溶剂的影响。

The effects of the urea-to-biodiesel ratio,the solvent-to-biodiesel ratio,adduction time and adduction temperature on the separation were studied.

重点考察了尿素用量、溶剂用量、包合时间和包合温度对不饱和脂肪酸甲酯分离效果的影响。

To determinate the water content of adenosine triphosphate disodium reagent by solvent titration.

摘 要 目的测定三磷酸腺苷二钠的水分含量。

I'm not an actor. I'm a professor of paleontology.

我不是演员，我是古生物学教授

Spider Network Web site that is a very image of the name.

网络蜘蛛即Web Spider，是一个非常形象的名字。